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               <div class="content interceptor">
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<ol class="breadcrumb">
  <li>Interceptors</li>
  <li>DefaultOAuthInterceptor</li>
</ol>

<ul class="nav nav-tabs" role="tablist">
        <li class="active">
            <a href="#info" role="tab" id="info-tab" data-toggle="tab" data-link="info">Info</a>
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            <a href="#source" role="tab" id="source-tab" data-toggle="tab" data-link="source">Source</a>
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<div class="tab-content">
    <div class="tab-pane fade active in" id="c-info">
        <p class="comment">
            <h3>File</h3>
        </p>
        <p class="comment">
            <code>projects/lib/src/interceptors/default-oauth.interceptor.ts</code>
        </p>



            <section>
    <h3 id="index">Index</h3>
    <table class="table table-sm table-bordered index-table">
        <tbody>

                <tr>
                    <td class="col-md-4">
                        <h6><b>Methods</b></h6>
                    </td>
                </tr>
                <tr>
                    <td class="col-md-4">
                        <ul class="index-list">
                            <li>
                                    <span class="modifier">Public</span>
                                <a href="#intercept">intercept</a>
                            </li>
                        </ul>
                    </td>
                </tr>





        </tbody>
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</section>

            <section>
    <h3 id="constructor">Constructor</h3>
        <table class="table table-sm table-bordered">
            <tbody>
                <tr>
                    <td class="col-md-4">
<code>constructor(authStorage: <a href="../classes/OAuthStorage.html">OAuthStorage</a>, oAuthService: <a href="../injectables/OAuthService.html">OAuthService</a>, errorHandler: <a href="../classes/OAuthResourceServerErrorHandler.html">OAuthResourceServerErrorHandler</a>, moduleConfig: <a href="../classes/OAuthModuleConfig.html">OAuthModuleConfig</a>)</code>
                    </td>
                </tr>
                        <tr>
                            <td class="col-md-4">
                                <div class="io-line">Defined in <a href="" data-line="24" class="link-to-prism">projects/lib/src/interceptors/default-oauth.interceptor.ts:24</a></div>
                            </td>
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                <tr>
                    <td class="col-md-4">
                            <div>
                                    <b>Parameters :</b>
                                    <table class="params">
                                        <thead>
                                            <tr>
                                                <td>Name</td>
                                                    <td>Type</td>
                                                <td>Optional</td>
                                            </tr>
                                        </thead>
                                        <tbody>
                                                <tr>
                                                        <td>authStorage</td>
                                                  
                                                        <td>
                                                                        <code><a href="../classes/OAuthStorage.html" target="_self" >OAuthStorage</a></code>
                                                        </td>
                                                  
                                                    <td>
                                                            No
                                                    </td>
                                                    
                                                </tr>
                                                <tr>
                                                        <td>oAuthService</td>
                                                  
                                                        <td>
                                                                        <code><a href="../injectables/OAuthService.html" target="_self" >OAuthService</a></code>
                                                        </td>
                                                  
                                                    <td>
                                                            No
                                                    </td>
                                                    
                                                </tr>
                                                <tr>
                                                        <td>errorHandler</td>
                                                  
                                                        <td>
                                                                        <code><a href="../classes/OAuthResourceServerErrorHandler.html" target="_self" >OAuthResourceServerErrorHandler</a></code>
                                                        </td>
                                                  
                                                    <td>
                                                            No
                                                    </td>
                                                    
                                                </tr>
                                                <tr>
                                                        <td>moduleConfig</td>
                                                  
                                                        <td>
                                                                        <code><a href="../classes/OAuthModuleConfig.html" target="_self" >OAuthModuleConfig</a></code>
                                                        </td>
                                                  
                                                    <td>
                                                            No
                                                    </td>
                                                    
                                                </tr>
                                        </tbody>
                                    </table>
                            </div>
                    </td>
                </tr>
            </tbody>
        </table>
</section>

            <section>
    
    <h3 id="methods">
        Methods
    </h3>
    <table class="table table-sm table-bordered">
        <tbody>
            <tr>
                <td class="col-md-4">
                    <a name="intercept"></a>
                    <span class="name">
                        <b>
                            <span class="modifier">Public</span>
                            intercept
                        </b>
                        <a href="#intercept"><span class="icon ion-ios-link"></span></a>
                    </span>
                </td>
            </tr>
            <tr>
                <td class="col-md-4">
                    <span class="modifier-icon icon ion-ios-reset"></span>
                    <code>intercept(req: HttpRequest<any>, next: <a href="https://angular.io/api/common/http/HttpHandler" target="_blank">HttpHandler</a>)</code>
                </td>
            </tr>


            <tr>
                <td class="col-md-4">
                    <div class="io-line">Defined in <a href="" data-line="46"
                            class="link-to-prism">projects/lib/src/interceptors/default-oauth.interceptor.ts:46</a></div>
                </td>
            </tr>


            <tr>
                <td class="col-md-4">

                    <div class="io-description">
                        <b>Parameters :</b>
                        <table class="params">
                            <thead>
                                <tr>
                                    <td>Name</td>
                                    <td>Type</td>
                                    <td>Optional</td>
                                </tr>
                            </thead>
                            <tbody>
                                <tr>
                                    <td>req</td>
                                    <td>
                                            <code>HttpRequest&lt;any&gt;</code>
                                    </td>

                                    <td>
                                        No
                                    </td>


                                </tr>
                                <tr>
                                    <td>next</td>
                                    <td>
                                                <code><a href="https://angular.io/api/common/http/HttpHandler" target="_blank" >HttpHandler</a></code>
                                    </td>

                                    <td>
                                        No
                                    </td>


                                </tr>
                            </tbody>
                        </table>
                    </div>
                    <div>
                    </div>
                    <div class="io-description">
                        <b>Returns : </b>    <code>Observable&lt;HttpEvent&lt;any&gt;&gt;</code>

                    </div>
                    <div class="io-description">
                        
                    </div>
                </td>
            </tr>
        </tbody>
    </table>
</section>

    </div>


    <div class="tab-pane fade  tab-source-code" id="c-source">
        <pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import { Injectable, Optional } from &#x27;@angular/core&#x27;;

import {
  HttpEvent,
  HttpHandler,
  HttpInterceptor,
  HttpRequest
} from &#x27;@angular/common/http&#x27;;
import { Observable, of, merge } from &#x27;rxjs&#x27;;
import {
  catchError,
  filter,
  map,
  take,
  mergeMap,
  timeout
} from &#x27;rxjs/operators&#x27;;
import { OAuthResourceServerErrorHandler } from &#x27;./resource-server-error-handler&#x27;;
import { OAuthModuleConfig } from &#x27;../oauth-module.config&#x27;;
import { OAuthStorage } from &#x27;../types&#x27;;
import { OAuthService } from &#x27;../oauth-service&#x27;;

@Injectable()
export class DefaultOAuthInterceptor implements HttpInterceptor {
  constructor(
    private authStorage: OAuthStorage,
    private oAuthService: OAuthService,
    private errorHandler: OAuthResourceServerErrorHandler,
    @Optional() private moduleConfig: OAuthModuleConfig
  ) {}

  private checkUrl(url: string): boolean {
    if (this.moduleConfig.resourceServer.customUrlValidation) {
      return this.moduleConfig.resourceServer.customUrlValidation(url);
    }

    if (this.moduleConfig.resourceServer.allowedUrls) {
      return !!this.moduleConfig.resourceServer.allowedUrls.find(u &#x3D;&gt;
        url.startsWith(u)
      );
    }

    return true;
  }

  public intercept(
    req: HttpRequest&lt;any&gt;,
    next: HttpHandler
  ): Observable&lt;HttpEvent&lt;any&gt;&gt; {
    const url &#x3D; req.url.toLowerCase();

    if (
      !this.moduleConfig ||
      !this.moduleConfig.resourceServer ||
      !this.checkUrl(url)
    ) {
      return next.handle(req);
    }

    const sendAccessToken &#x3D; this.moduleConfig.resourceServer.sendAccessToken;

    if (!sendAccessToken) {
      return next
        .handle(req)
        .pipe(catchError(err &#x3D;&gt; this.errorHandler.handleError(err)));
    }

    return merge(
      of(this.oAuthService.getAccessToken()).pipe(
        filter(token &#x3D;&gt; (token ? true : false))
      ),
      this.oAuthService.events.pipe(
        filter(e &#x3D;&gt; e.type &#x3D;&#x3D;&#x3D; &#x27;token_received&#x27;),
        timeout(this.oAuthService.waitForTokenInMsec || 0),
        catchError(_ &#x3D;&gt; of(null)), // timeout is not an error
        map(_ &#x3D;&gt; this.oAuthService.getAccessToken())
      )
    ).pipe(
      take(1),
      mergeMap(token &#x3D;&gt; {
        if (token) {
          const header &#x3D; &#x27;Bearer &#x27; + token;
          const headers &#x3D; req.headers.set(&#x27;Authorization&#x27;, header);
          req &#x3D; req.clone({ headers });
        }

        return next
          .handle(req)
          .pipe(catchError(err &#x3D;&gt; this.errorHandler.handleError(err)));
      })
    );
  }
}
</code></pre>
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